toolchain-utils: Remove 'target' from distfiles path (for cleanup).

'target' is no longer part of the path from distfiles to chrome-src,
so this CL fixes the path inour cleanup script.

BUG=None
TEST=tested script by hand.

Change-Id: I8a69b0d153a301b61c5176e44d1ad65dc8e467cd
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/2585652
Auto-Submit: Caroline Tice <cmtice@chromium.org>
Tested-by: Caroline Tice <cmtice@chromium.org>
Commit-Queue: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
diff --git a/auto_delete_nightly_test_data.py b/auto_delete_nightly_test_data.py
index c3c2e24..6784118 100755
--- a/auto_delete_nightly_test_data.py
+++ b/auto_delete_nightly_test_data.py
@@ -215,8 +215,7 @@
   rv = 0
   ce = command_executer.GetCommandExecuter()
   tmp_dir = os.path.join(constants.CROSTC_WORKSPACE, 'chromeos', '.cache',
-                         'distfiles', 'target', 'chrome-src-internal', 'src',
-                         'tmp')
+                         'distfiles', 'chrome-src-internal', 'src', 'tmp')
   cmd = f'rm -fr {shlex.quote(tmp_dir)}/tmp*telemetry_Crosperf'
   if dry_run:
     print(f'Going to execute:\n{cmd}')